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Q33Network Fundamentals

Drag and drop the statements about wireless architectures onto the correct architectures. <DragDrop items={["It encapsulates LWAPP traffic between the access point and the WLC in EtherType 0xBBBB.","It facilitates Layer 2 connectivity between the WLC’s wired interface and the WLAN clients.","It forwards only IP EtherType frames.","It requires IP addresses on the access point and the WLC.","It supports LWAPP tunneling within Ethernet frames and UDP packets.","It uses UDP or UDP Lite for IPv6 deployments."]} slots={[{"answer":"It encapsulates LWAPP traffic between the access point and the WLC in EtherType 0xBBBB.","id":"s1","group":"Layer 2 Tunnel"},{"answer":"It facilitates Layer 2 connectivity between the WLC’s wired interface and the WLAN clients.","id":"s2","group":"Layer 2 Tunnel"},{"answer":"It requires IP addresses on the access point and the WLC.","id":"s3","group":"Layer 3 Tunnel"},{"answer":"It uses UDP or UDP Lite for IPv6 deployments.","id":"s4","group":"Layer 3 Tunnel"}]} explanation={"Layer 2 LWAPP uses an Ethernet encapsulation between the access point and controller, identified by EtherType 0xBBBB, and it extends Layer 2 connectivity between wireless clients and the controller-side network attachment. Layer 3 LWAPP/CAPWAP-style operation runs over IP, so both the access point and WLC need IP addressing, and the transport uses UDP; UDP Lite is used for IPv6-related deployments in Cisco wireless documentation. The other two statements are distractors because they are either generic to LWAPP operation across both modes or not the defining characteristic requested for these buckets.\n\n**Learn more:** [LWAPP Traffic Study](https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/99947-lwapp-traffic-study.html) · [Cisco Unified Wireless Technology and Architecture](https://www.cisco.com/en/US/docs/solutions/Enterprise/Mobility/emob30dg/TechArch.html)"} reuse={false} />

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Discussion · 9
21
The correct answer is: Layer 2 Tunnel: Facilitates Layer 2 connectivity between the WLC's wired interface and the WLAN clients. Encapsulates LWAPP traffic between the access point and the WLC in Ethernet 0xBBBB. Layer 3 Tunnel: Requires IP addresses on the access point and the WLC. Uses UDP or UDP Lite for IPv6 deployments. The reason why "It forwards only IP EtherType frames" and "It supports LWAPP tunneling within Ethernet frames and UDP packets." are wrong because the CCNA exam is testing your knowledge of the different wireless architectures. These two points do not describe any specific wireless architecture. They just describe the general features of a Layer 2 tunnel. The correct answer for the CCNA question describes the specific features of the two wireless architectures: Layer 2 Tunnel and Layer 3 Tunnel. This is the information that the CCNA exam is testing you on.
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The answers given are correct https://www.cisco.com/en/US/docs/solutions/Enterprise/Mobility/emob30dg/TechArch.pdf
9
Does anyone have any insight into this question? Couldn't find anything that mentions anything related to the answers in the cert guide.
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Not related to CCNA 200-301...
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Processing the statements through ChatGPT gives this result: 1: Layer 2 2: Layer 2 3: Discarded, as both tunnels can forward other protocols than IP Ethertype frames 4: Layer 3 5: Layer 3 6: Discarded, as IPv6 is irrelevant here and UDP Lite typically not used in standard tunneling protocols
2
Lightweight Access Point Protocol (LWAPP) is a protocol that can control multiple Wi-Fi wireless access points at the same time. This can cut down the time spent configuring, monitoring and troubleshooting a large network. The system will also let network administrators closely analyze the network. On Layer 2, LWAPP only needs a data link connection in order to transfer frames and Layer 2 broadcasts. Even if IP connectivity is not established it will still work at layer 2. LWAPP Layer 3 and 4 edit Layer 4 UDP 12222 (data channel) and 12223 (control channel) connectivity must be established to work with this form of the protocol. Broadcasts or DHCP option 43 can be used to prime the access-points of the network. The controller must be on the same subnet if DHCP is not configured to handle layer 3 LWAPP provisioning. Another option for directing an AP to the controller is by defining the controller on the DNS server of the network.
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This is for LWAPP not CAPWAP
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Option 3,4,5 apply to both L2 tunnel and L3 tunnel. Apparently, the person who made this question doesn't even understand the text he/she copied from Cisco documentation.
1
The given answers are so wrong, God!! Below is the correct mapping: Layer 2 Tunnel: 1. It encapsulates LWAPP traffic between the access point and the WLC in EtherType 0xBBBB. 2. It facilitates Layer 2 connectivity between the WLC's wired interface and the WLAN clients. Layer 3 Tunnel: 1. It requires IP addresses on the access point and the WLC. 2. It uses UDP or UDP Lite for IPv6 deployments.